Word

屍山血河

しざんけつが
heaps of bodies and streams of blood; fierce battle
Word

天の川

天の河
あまのがわ、あまのかわ
Milky Way
Word

川獺

獺、河獺
かわうそ、うそ、おそ、だつ、カワウソ
otter (Lutra lutra); Japanese river otter (Lutra lutra whiteleyi)
Word

遡河魚

溯河魚
そかぎょ、さっかぎょ
anadromous fish (fish that migrates upstream, e.g. salmon)
Word

大河小説

たいがしょうせつ
roman-fleuve
Word

天河

てんが
the Milky Way
Word

白河夜船

白川夜船、白川夜舟
exp
しらかわよふね、しらかわよぶね
being fast asleep (and totally unaware of what is going on around one); know-it-all manner
Word

百年河清

exp
ひゃくねんかせい
waiting for one hundred years for the waters of the Yellow River to clear; waiting in vain for an unlikely event; waiting for pigs to fly; When the sky falls, we shall catch larks
Word

氷河時代

ひょうがじだい
ice age; glacial period
Word

暴虎馮河

ぼうこひょうが
foolhardy courage